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Trillion Cut Gemstones

Explore brilliant trillion cut gemstones, perfect for unique and modern jewelry designs.

Trillion Shaped Gemstones Weight
Trillion Shaped Gemstones Size
Trillion Shaped Gemstones Clarity
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Trillion Shaped Gemstones Treatment

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Violet Trillion Shaped Gemstones
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2.86ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 15.67

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3.12ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.92

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2.84ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.63

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1.53ct Multicolor Ammolite, Trillion, Opaque

8.6 x 7.3 mm

$ 30.48

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1.62ct Violet Amethyst, Trillion, VS

8 x 8 mm (calibrated)

$ 10.71

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33.93ct Multicolor Boulder Opal, Trillion, Opaque

26.7 x 21.3 mm

$ 223.57

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1.98ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.94

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2.58ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 16.97

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3.09ct Pink Morganite, Trillion, Transparent

10.5 x 9.7 mm

$ 33.86

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0.92ct Yellow Beryl, Trillion, VVS

7 x 7 mm (calibrated)

$ 18.33

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2.28ct Yellow Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 9.99

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3.69ctw Multicolor Mystic Quartz, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 22.05

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0.98ct Yellow Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 6.13

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2.24ctw Multicolor Mystic Quartz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 13.39

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23.12ctw Multicolor Fossil Coral, Trillion, Opaque

20.3 x 13.9 mm

$ 25.33

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2.12ct Yellow Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 16.25

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2.90ct Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 20.22

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3.07ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.18

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0.38ct Orange Sphalerite, Trillion, VS-SI

4.3 x 4.1 mm

$ 18.92

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2.62ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 19.63

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1.80ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.59

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2.70ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 17.75

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0.41ct Green Sapphire, Trillion, VS

4.5 x 4.5 mm

$ 57.17

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2.76ct Violet Amethyst, Trillion, VS-SI

10 x 10 mm (calibrated)

$ 20.68

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Why Buy Trillion Shaped Gemstones from GemSelect?

Trillion Cut Gemstones for Modern Jewelry

Trillion cut gemstones feature a striking triangular shape with sharp brilliance, making them a popular choice for contemporary jewelry designs and eye-catching center or accent stones.

Shop Loose Trillion Gemstones Online

Browse our selection of loose trillion cut gemstones in a wide variety of colors, sizes, and gem types, all available for secure online purchase with worldwide delivery.

Loose Trillion Cut Gemstones for Jewelry Designs

Triangle Gemstones for Unique Designs

Triangle gemstones, also known as trillion cuts, offer a bold geometric appearance that enhances modern rings, earrings, and pendants with a distinctive and stylish look.

Faceted Trillion Cut Stones

Faceted trillion gemstones are expertly cut to maximize brilliance and light reflection, making them ideal for jewelry that demands sparkle and precision.

Wide Range of Gem Types

Choose from trillion cut sapphires, garnets, amethyst, topaz, and more, each offering unique colors and characteristics to suit different styles and preferences.

Calibrated Trillion Gemstones

Calibrated trillion gemstones are available in standard sizes, making them perfect for pre-designed settings and consistent jewelry production.

Wholesale Trillion Cut Gems

We offer competitive pricing on loose trillion gemstones, ideal for jewelers, designers, and collectors looking to purchase high-quality stones in larger quantities.

Natural and Certified Gemstones

All trillion cut gemstones are natural and carefully selected, with any treatments fully disclosed to ensure transparency and confidence in your purchase.

Learn more about gemstone cuts and shapes on our Gemstone Cutting Information Guide.

FAQs

What is a trillion cut gemstone?

A trillion cut gemstone is a triangular-shaped stone with three equal or slightly curved sides, designed to maximize brilliance and modern appeal.

Are trillion cut gemstones suitable for rings?

Yes, trillion cut gemstones are commonly used in rings, either as center stones or side accents, offering a bold and contemporary look.

Which gemstones are available in trillion cuts?

Many gemstones are available in trillion cuts, including sapphire, garnet, amethyst, citrine, topaz, and more.

Are trillion cut gemstones durable?

Durability depends on the gem type, but care should be taken with the pointed corners, especially when used in rings.

Can I buy trillion cut gemstones in calibrated sizes?

Yes, many trillion gemstones are available in calibrated sizes, making them suitable for standard jewelry settings.

Are all trillion gemstones natural?

Yes, all gemstones are natural, and any treatments are fully disclosed for complete transparency.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026
Source: Bizrate
Enlarged Gemstone Image